Season 2
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | Amok Time | Sep 15, 1967 |
| 2 |  | Who Mourns for Adonais? | Sep 22, 1967 |
| 3 |  | The Changeling | Sep 29, 1967 |
| 4 |  | Mirror, Mirror | Oct 6, 1967 |
| 5 |  | The Apple | Oct 13, 1967 |
| 6 |  | The Doomsday Machine | Oct 20, 1967 |
| 7 |  | Catspaw | Oct 27, 1967 |
| 8 |  | I, Mudd | Nov 3, 1967 |
| 9 |  | Metamorphosis | Nov 10, 1967 |
| 10 |  | Journey to Babel | Nov 17, 1967 |
| 11 |  | Friday's Child | Dec 1, 1967 |
| 12 |  | The Deadly Years | Dec 8, 1967 |
| 13 |  | Obsession | Dec 15, 1967 |
| 14 |  | Wolf in the Fold | Dec 22, 1967 |
| 15 |  | The Trouble with Tribbles | Dec 29, 1967 |
| 16 |  | The Gamesters of Triskelion | Jan 5, 1968 |
| 17 |  | A Piece of the Action | Jan 12, 1968 |
| 18 |  | The Immunity Syndrome | Jan 19, 1968 |
| 19 |  | A Private Little War | Feb 2, 1968 |
| 20 |  | Return to Tomorrow | Feb 9, 1968 |
| 21 |  | Patterns of Force | Feb 16, 1968 |
| 22 |  | By Any Other Name | Feb 23, 1968 |
| 23 |  | The Omega Glory | Mar 1, 1968 |
| 24 |  | The Ultimate Computer | Mar 8, 1968 |
| 25 |  | Bread and Circuses | Mar 15, 1968 |
| 26 |  | Assignment: Earth | Mar 29, 1968 |